Window regulator



Sept. 8, 1925. 1,552,419

A. R. CLAS WINDOW REGULATOR Filed June 23. 1924 3 Sheets-Sheet 1 @51, @UWV-MVM,

Sept. 8, 1925.

A. R. CLAS WINDOW REGULATOR l Filed June 23. 1924 I5 Sheets-Sheet 2 grt/vento; v

sept. s, 1925. 1,552,419

A. R. CLAS WINDOV.I REGULATOR I Filed June 23. 1924 3 Sheets-Sheet s gnuuhn 55., @QW/Zwmm.

Patented Sept. 8, 1.925.

UNITED STAT-Es` 1,552,419 PATENT OFFICE.

ANGELO nonnnrrcLAs',-Or TOLEDO, OHIO, ASSIGNOR To THE TOLEDO AUTOMOTIVE rnoDUc'rs COMPANY, A conroiwrron or omo.

WINDOW REGULATOR.

' Application led June 23, 1924. Serial No. 721,623.

this classis that the power required to raise an associated window is not uniform throughout the movement of the window but graduallyT increases from the lowermost throw of the arm upward until it is at right angles tothe line of movement of the window and then diminishes to the uppermost point of the throw.

The primary object of the invention is to overcome or lessen the objection above noted byhso mounting the swinging window control arms of apparatus of ithis class land connecting them to the power means that the raising power required for thevassociated window is 4substantially uniform throughout itsQ movements, .or at 'least is more nearly uniform than with the types of regulators of the swinging arm type heretofore used.

A further object of the invention is the provision of a window-.regulator of the class described,I wherein the movement of the point of engagement of thev control arm with the window `lengthwise of t e engaged edge thereof .is .materially redu ed so that the point of connection ofthe control armwith the window is maintainedsubstantially central of the'side edges of the window and the tendencyr of the window to tilt and bind in its slideway when a raisingpressure is ap-` plied thereto by the arm is practically eliminated.

The invention is fully described in the following specification, and while in its broader aspect it is capable of embodiment in numerous forms, a few forms only thereof are illustrated in the accompanying drawings, in which,-

Figure 1 is a side elevation of a mechanism' embodying the invention with the window fraine, `and window vwith -which associated fragmentarily shown, and with the window partly lowered. Figure 2 is a ,cross-section on the line 2 2 ,in Fig.. 1.

Fig. 3 is an enlarged vertical section through the control Aarm of the mechanism and the lower edge portion of the window at the point of engagement of one with the other.

Fig.k-4 is an enlar ed section of a slightly 60 'modified manner o slidingly connecting the control arm kwith the actuating member therefor. Fig. 5 is a fragmentary side elevation thereof. Fig. 6 is a view similar to Fig. 1 with a slightlymodiied form of^65 mounting of the control arm. Fig. 7`is a section on the line 7-7 inFig. 6. Fig. 8 is an enlarged vertical section through the control arm of the mechanism and the lower edge portion of the window at the point of engagement of one with the other. Fi 9 is a view similar to Fig. 1 with a modi cation of the invention,.and Fig. 10 is a similar view with still another modification of the invention.

Referring to the drawings, 1 designates a window or door frame in which a glass 2 orother form of window member is mounted for vvertical reci rocatory movements in a and 'adapte ,I when 1n raised pos1t1on,to close a slidewa provi ed in .the frame window opening in the frame, and, when lowered, to enter a-we1l or chamber in the lower portion of the frame, as well understood in the art. The frame 1 is provided 85 acrossA the up er portion of the well or chamber thereln atthe outer side thereof with a board or member 3, usuallyvreferred to as a lock-board.

.The window regulating amechanism emoo bodyingthe invention employs -in the different illustrated embodiments thereof a' bracket plate 4, preferably stam ed from sheet metal and secured Ito the loc -board 3 by screws or in any suitable manner at the inner side thereof, and having its lower end projecting below the board. This bracket plate is located at one side of the window. center 'and forms a journal having 'a main operating shaft 5, whichr projects through 10o mesh with the teeth of a gear 7, the pivot or supportin stud 8 of which is carried' by the lower en portion /of the bracket plate 4, in the present mstance, below the lock-board 3. The gear Fmay be. of sector form, as

shown in Figs. 1, 6 and 10, or of circular 210 vlas' form, as shown in Fig. 9. It is evident that .i rocking or rotary movements may be imparted to the gear 7 b a turnin of the drive pinion 6. In each orm of t e invention, the gear 7 acts on a swinging window control arm 9 to impart window raising and lowering movements thereto\ and the man ner of mounting thisvarm and of connecting the same with the gear constitutes the present invention.'

In Figs. 1, 2, 6, 7 and 10 the control arm 9 lies across the side o f the gear 7 opposed to t-he bracket plate 4 and is `in sliding connection with the gear to enable the arm to have longitudinal sliding or reciprocatory movements across the same. The sliding connection of the arm with the gear is disposed intermediate the ends of the arm and com rises a pivot stud 12 projectin from a si e of the gear sector near one en vthereof and'through a longitudinally ez'rtendinvr slot 13 in the arm. The stud 12 instead o projecting through a slot in the control arm may carry a yoke 14, w ich slidably embraces the arm, as sho in Figs. 4 and 5.

In Figs. 1 and 2 the inner end of the arm 1 9 or that opposedto the window engaging end thereof is connected to the lower end of the bracket plate'4 to the oppositey side of:

the gear pivot 8 to the window engaging end o f the arm by a link 15, one end of said llnk being pivoted at 16 to the arm end and the other end being pivoted at 17 to thev bracket plate. This provides .-a compensating connection between the arm and gear whereby upon a swinging of the arm by movement of the gear it is caused to have longit-udinal movement to maintain its free or window engaginr end in substantially a straight line'whidli" is parallel with the movement of the window when the arm is swung. With this manner of connection of the arm 9 with the 4bracket plate 4, the window: engaging end of the armJjhas a very slight movement lengthwise of the en aged edgeof the window, .such movement ing confined substantially within `-theptwo parallel lines'a. to provide the free end of the arm with a roll 10 for vengagement with thefwindow edge and to have the roller carrying stud 11 working in a slightly elongated slot) iny a late 11- attached to the window e-dge.-

tls'evidentthat in the use of this mechanism a rocking of the'gear 7 appliespower to the varm 9 through its sliding point of connection with the gear, and that the link 15 -acts as a compensating fulcruln for the arm which enables the arm to have rock ing movements imparted thereto from rock-V lng-movements of the gear and at the same f A time permits the arm to move longitudinally crosswise of the actuating means a'suflicient extent for its point of connection with the window to move in'skubstantially a straight In this case it ispreferable.

' without, the ed line instead of an arc concentric to the gear axis, as is the case with the swinging arm types of regulators heretofore used.

In Figs. 6 and 7 the purpose ofthe compesating link 15,is performed bythe fulcrum pin 18 of the arm 9, working in a cam slot 19 in the foot or angled portion of the bracket plate, the foot portion of the plate being enlarged slightly for such purpose over that of the bracket plate in Fig. 1. With this form of the invention, the cam slot 19 may be so laid out that.the point of engagement of the free end of the arm 9 4with the window member 2 moves in a perfectly straight line parallel with the line of movement of the window, as indicated by lthe line b, and the arm may, therefore, have a stud 20 in pivotal engagement with a lip `plate 21 on the lower window edge, such point of enga ement being disposed centrally of the wi' th of-'the window so that the window is balanced thereon and does not have a tendency Vto tipl in one. direction or the other intobinding engagenientA with the 'slideway v In Fig.' 10 the compensating connection for the arm 9 comprises a pair of links 22 and 23, each of which is connected at its inner end to a pivot Stud 24 in the arm 9 while the other end of the link 22, which is the shorter of the two, is pivoted at 25 to the lower end of the bracket plate 4 below the pivot stud 8 of the gear, and the opposite end of the other link 23 is pivotallygcon- -nected at 26 to the adjacent end portion of the gear sector or the opposite end of said` sector to the connection 12 of the arm there-' with. In this embodiment the link 23 is moved by movements' of the gear 7 and con- "trols the swinging movements cof the link 22 'and consequently of the inner or fulcrum end ofthe arm' 9. With this construction` the movement of the window enga 'ng end of the arm 9 lengthwise of the windw edge .is greater than in the form of the invenceiving a. guide ,stud 30, which is fixed tothe toe portion bracket of theangled plate 4 ofthe gear and in a ,horizontal plane with the ar axis. When the window member is in l1 lowered position', the arm 9 assumes the vinclined; dotted line position c with its pivot 28 disposed adjacent to the pivot stud 30 and above thesame, and when the Window is in its full raised has its longitudinally extending slot 29 re- 120 posltion 'the arm assumes the dotted line l position d with its pivots 28 adjacent to the pivot stud 30 below the same. It is evident with this construction that when a movement of the gear 7 is started to effect a raising of a window from its full lowered position, a longitudinal pull is first imparted to the arm 9 and then during a continuance of such pull the arm is rocked to swing its free end upward to horizontal position, the arm during substantially all of the movement of the gear to the full line position of the parts shown being moved inward to shorten the distance between the gear axis and the window engaging end of the arm. During the upward movement of the free end of the arm from the full line position shown, the arm has a combined pushing and rocking movement imparted thereto. The movement of' the point of engagement of the arm with the window during a complete window raising stroke of movement of the arm travels a path substantially like that of the dot-ted line e.

It is evident with each form of the invention shown that during an operating movement of the arm the dist-ance between the window engaging end of the arm and the gear axis, or the effective length of the arm, varies so that such length is shortest when the arm is substantially midway of its stroke of movement, or in a plane substantially at right angles to the line of movement of the engaged window, thereby lessening the force which would otherwise be required to raise the window when in substantially' its midway position. l s

In mechanisms of this class it is common to provide aspring to counter-balance the weight of the window member, and it will, therefore, be understood that such a'sprin'g may be used in connection with any one of the different forms of-4 the invention shown. In. Figs. 2 and 7 ,'31 designates a spring vof the helical type which has one end fiXedly connected to the stud 8 and its other end connected to the bracket plate 4, whereby the turning ofthe gear 7 in one direction is resisted by the spring. v

I wish i-t understood that my invention. is not limited to any specific construction, arrangement or form of the parts as it is capable of numerous changes and modifications without departing from the spirit of the claims.

Having Athus described my invention,

what I claim as new and desire to secure by.

Letters Patent is 1. In a window regulatlng mechanism, a

stationary member, a rotatable actuating member, a swinging window control arm connected intermediate its ends for longitudinal sliding movements to one of said other members, and a fixed member connected to have predetermined limited compensatory movement relatively to the other member, whereby the arm is rocked oy a rotation of the actuating member and is at the same time longitudinally moved to vary the distance between the free end of the arm and the axis oi" the actuating member.

2. In combination, a frame, a vmember slidable in the frame, a bracket carried by the frame, a segmental gear rockably carried by the bracket, manual operating means for the gear, a swinging arm extending across the gear and having its out-er end pivotally .connected to said member for movements with the member, a compensating fulcrum connection between the inner end of thearm and the bracket includin a member fixed to said arm which permlts predetermined limited movements of the arm fulcrum with respect to the bracket, and a slidable actuat` ing connection between the gear and arm.

3. In combination, a frame, a member slidable therein, an actuating means carried by the frame and having a rotatable part, an arm carried by the actuating part for longitudinal movements transverse to the part axis and having one end connected to. said member, and a connection between the other end of said arm and the frame including a member fixed to the arm and adapted to have limited predetermined compensatory movement relatively to the frame whereby said arm, when swung with the rotatable actuating part, is caused to have longitudinal movements relative thereto to vary to a vpredetermined extent its leverage on the slidable member.

4. In a window regulating mechanism, a frame, a window slidable in the frame, Aa

tor pivoted to said bracket, means for operating said sector, a swinging arm extend# ing across said sector and having its outer ANGELO ROBERT CLAS.

bracket carried by the frame, a toothed sec.- 

